Home / 35,911.16-53,891.32-12,537.60

Finding the Fourth Proportional to 35,911.16, 53,891.32 and 12,537.60

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Solution

The fourth proportional to 35,911.16, 53,891.32 and 12,537.60 is: 18,814.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,911.16 : 53,891.32 = 12,537.60 : x
  2. Step 2: Convert to fraction form
    35,911.16/53,891.32 = 12,537.60/x
  3. Step 3: Cross multiply
    35,911.16x = 53,891.32 × 12,537.60
  4. Step 4: Simplify right side
    35,911.16x = 675,667,813.63
  5. Step 5: Solve for x
    x = 675,667,813.63/35,911.16
  6. Step 6: Final answer
    x = 18,814.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.